%0 Journal Article
%T AnelectrodewithNi(¢ò)loadedanalcimezeolitecatalystfortheelectrooxidationofmethanol
%A Seyed Naser Azizi
%A Shahram Ghasemi
%A Neda Salek Gilani
%J ´ß»¯Ñ§±¨
%P 383-390
%D 2014
%R 10.1016/S1872-2067(14)60002-4
%X £¿Thereisahighovervoltageintheoxidationofmethanolinfuelcells,andsomodifiedelectrodesareusedtodecreaseit.AmodifiedelectrodethatusedNi(¢ò)loadedanalcimezeolitetocatalyzetheelectrooxidationofmethanolinalkalinesolutionwasproposed.Analcimezeolitewassynthesizedbyhydrothermalsynthesis,andNi(¢ò)ionswereincorporatedintotheanalcimestructure,whichwasthenmixedwithcarbonpastetopreparemodifiedelectrode.Theelectrocatalyticoxidationofmethanolonthesurfaceofthemodifiedelectrodeinalkalinesolutionwasinvestigatedbycyclicvoltammetryandchronoamperometry.Theeffectsofthescanrateofthepotential,concentrationofmethanol,andamountofzeolitewereinvestigated.Therateconstantforthecatalyticreactionofmethanolwas6¡Á103cm3mol-1s-1frommeasurementsusingchronoamperometry.Theproposedelectrodesignificantlyimprovedtheelectrontransferrateanddecreasedtheoverpotentialformethanoloxidation.
%K Analcimezeolite
%K Modifiedelectrode
%K Methanol
%K Cyclicvoltammetry
%K Electrocatalyticoxidation
%U http://www.chxb.cn/CN/abstract/abstract21248.shtml